Question

15-3(b+3)+12(b-3)= when b = -3 and answer should be -57 and it in step by step​

Answer 1

Answer:

-72 is correct

Step-by-step explanation:

if B = -3

then, 15-3(-3+3)+12(-3-3)

= 12(0)+12(-6)

= 0-72

=-72